Centrifugal pump



FIG. 1 is a right side perspective view of the centrifugal pump;

FIG. 2 is a left side view thereof;

FIG. 3 is a rear end view thereof wherein the broken lines in FIG. 3 areincluded for the purpose of illustrating portions of the centrifugalpump that form no part of the claimed design;

FIG. 4 is a right side view thereof;

FIG. 5 is a front end view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof.

CLAIM The ornamental design for a centrifugal pump, as shown anddescribed.